Whooping cough is an infection of the lining of the airways. It mainly affects the windpipe and the two airways that branch off from it to the lungs.
Daybreak's Health Editor Dr Hilary Jones explains;
More top news
He fell 30 feet to the floor. But despite the drama, it appeared the show must go on.
Is the pledge to give Scotland more powers a last throw of the dice, or the reassurance some voters need to seal a No vote?
A mother from north Wales says she was stunned to find a talking Barbie doll using foul language.